From 9aeff8d43bd8ad95d913b21e68a5aa64036eda45 Mon Sep 17 00:00:00 2001
From: rjorgenson <rjorgenson@gmail.com>
Date: Thu, 14 Jan 2016 11:05:26 -0700
Subject: [PATCH] added check for nvm command before running

---
 powerlevel9k.zsh-theme | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index c01c9a9d..ab942d5b 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -531,10 +531,12 @@ prompt_node_version() {
 # Node version from NVM
 # Only prints the segment if different than the default value
 prompt_nvm() {
-  local node_version=$(nvm current)
-  local nvm_default=$(cat $NVM_DIR/alias/default)
-  [[ -z "${node_version}" ]] && return
-  [[ "$node_version" =~ "$nvm_default" ]] && return
+  if [[ $(type nvm) =~ 'nvm is a shell function'* ]]; then
+    local node_version=$(nvm current)
+    local nvm_default=$(cat $NVM_DIR/alias/default)
+    [[ -z "${node_version}" ]] && return
+    [[ "$node_version" =~ "$nvm_default" ]] && return
+  fi
 
   $1_prompt_segment "$0" "$2" "green" "011" "${node_version:1}" 'NODE_ICON'
 }